2N5484 JFET transistor

2N5484 electrical specification

• 2N5486 N-channel depletion RF amplifier JFET transistor device
• Drain-to-gate breakdown voltage (V_DG) is 25V
• Gate-to-source voltage (V_GS) is 25V
• Gate to source cutoff voltage (V_{GS (OFF)}) is -0.3 to -3.0V
• Drain current (I_D) is 30mA
• Gate forward current (I_GF) is 10mA
• Power dissipation (P_D) is 350mW
• Zero gate voltage drain current (I_DSS) is 1 to 5mA
• Input capacitance (C_iss) is 5Pf
• Output capacitance (Co) is 2pF
• Junction temperature, storage (T_J) / (T_stg) is between -65 to 150℃
• Forward transfer admittance (Y_fs) is 3000 to 6000umhos
• Noise figure (N_F) is 5 to 4dB
• LOW noise
• Low input capacitance
• Low leakage

2N5484 PINOUT

Pin Number	Pin Name	Description
1	Drain	The drain terminal is the current inlet of the JFET device
2	Source	In the source, terminal current flows out from the JFET
3	Gate	Gate is used to trigger the MOSFET device

 

2N5484 Package

2N5484 RF amplifier JFET transistor device has TO-92 general purpose device package.

TO-92 is a three-terminal through-hole package made of epoxy/plastic material this will provide you with higher temperature capacity and compactness as an electronic component.

The shape and size of the TO-92 package are apt for small circuits.

2N5484 transistor specification/ application description note:

Here in this section, we explained the electrical specifications of the 2N5484 transistor, it is very useful for a better understanding of the device.

Voltage specs

The voltage specifications of the 2N5484 JFET transistor are a drain to the gate is 25V, the gate to the source is 25V and gate to source cutoff voltage is -0.3V to -3.0V, the terminal voltage values indicate it is low power JFET device.

Current specs

The drain current value of 2N5484 JFET is 40mA, it is the load capacity of the device.

The forward gate current value is 10Ma, this value is important for the trigger of the 2N5484 JFET device.

Dissipation specs

The power dissipation value of the 2N5484 JFET device is 350Mw, this value is important for the device package.

Junction temperature

The maximum temperature value of the 2N5484 JFET transistor is -65 to +150℃.

Input capacitance

The input capacitance value of 2N5484 JFET transistor is 5pF

Output capacitance

The output capacitance value of 2N5484 JFET transistor is 2pF

Noise figure

The noise figure value at the 2N5484 transistor is 2.5 to 4dB

2N5484 DATASHEET

If you need the datasheet in pdf please click this link

2N5484 EQUIVALENT

The JFET device 2N5484 has equivalent transistors such as 2N5001, 2N5002, J113, BF245, 2N4416, PN4416, and 2N3819, each of them has the same set of electrical specifications as 2N5484 JFET device.

2N5484 JFET is an amplifier transistor, so the specs such as voltage, current, and noise figure values are important for those applications, check and verify each transistor before the replacement process.

2N5484 SMD equivalent

MMBF5484 (SOT-23) is the SMD equivalent of the 2N5484 JFET transistor.

2N5484 vs J113 vs 2N3819

Here in the table below, we listed the electrical specifications of 2N5484, J113, and 2N3819 transistors, these type of comparison is really useful for a better understanding of the device.

Characteristics	2N5484	J113	2N3819
Source to gate voltage (VSG)	25V	35V	25V
Gate to source cutoff voltage (VGS(OFF))	-0.3 to -3.0V	-0.3 to -3.0V	-8.0V
Gate to source  voltage (V­GS)	25V	-35V	-25V
Drain current (ID)	30mA	-	100mA
Gate forward current (IG(F))	10mA	50mA	10mA
Power dissipation (PD)	350mW	625Mw	350mW
Junction temperature (TJ)	-65 to 150°C	-55 to +150°C	-65 to 150°C
Input capacitance (Ciss)	5pF	-	3pF
Output capacitance	2pF	-	0.9Pf
Noise figure (NF)	2.5 to 4dB	-	-
Frequency	-	-	-
Package	TO-92	TO-92	TO-92

2N5484 transistor application

• VHF/UHF amplifier circuit
• High-frequency amplifier circuit
• Mixer circuit applications
• Oscillator circuit
• Very Low-level capacitance
• Switching circuit
• Low gain signal amplifier circuit
• Preamp applications
• Sensor circuits
• Detector circuits

Graphical characteristics of 2N5484 transistor

The figure shows the transfer characteristics of the 2N5484 JFET transistor, the graph plots with drain current vs gate to source voltage.

At constant drain to a source voltage value, and two gates to source cutoff voltage values, the curves are plotted at different temperature values, a higher drain current value happens at a low voltage value.

The figure shows the noise figure characteristics of the 2N5484 JFET transistor and the graph plots with noise figure vs frequency.

At constant voltage, current resistance, and temperature values, the noise figure value increase from a lower value to a higher value with respect to frequency.